Statistical and Algorithmic Approaches to Bullet Matching
Heike Hofmann
Statistical and Algorithmic Approaches to Bullet Matching
Heike Hofmann, Alicia Carriquiry, Eric Hare, Haley Jeppson Center for Statistics and Applications in Forensic Evidence Iowa State University June 8th, 2017
Problem Statement
Comparison Microscope
Same Source Problem: were two bullets fired through the same gun barrel?
Out approach similar to Bachrach et al. (2010): automatic matching introduces objective approach to matchign
Automatic matching based on 3d topographic images
Score in [0,1] with empirical distribution of known matches and known non-matches